/**
 * Copyright 2011 ArcBees Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.jukito;

import com.google.inject.Injector;

import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.Statement;

import java.util.ArrayList;
import java.util.List;

/**
 * A {@link Statement} invoking a list of methods with parameters by filling-in
 * these parameters with injected instances. The methods are called before the
 * provided {@code next} {@link Statement}.
 *
 * @author Philippe Beaudoin
 */
public class InjectedBeforeStatements extends Statement {

  private final Statement next;

  private final List<Statement> befores;

  public InjectedBeforeStatements(Statement next, List<FrameworkMethod> befores,
      Object target, Injector injector) {
    this.next = next;
    this.befores = new ArrayList<Statement>(befores.size());
    for (FrameworkMethod method : befores) {
      this.befores.add(new InjectedStatement(method, target, injector));
    }
  }

  @Override
  public void evaluate() throws Throwable {
    for (Statement before : befores) {
      before.evaluate();
    }
    next.evaluate();
  }
}
